doc: various comments on async handling

[public-inbox.git] / lib / PublicInbox / GitHTTPBackend.pm

diff --git a/lib/PublicInbox/GitHTTPBackend.pm b/lib/PublicInbox/GitHTTPBackend.pm
index 1987a013e95577037c56f2621635599d2b72f03f..a069fd9473649c09c970e358aff3b620307be2b0 100644 (file)
--- a/lib/PublicInbox/GitHTTPBackend.pm
+++ b/lib/PublicInbox/GitHTTPBackend.pm
@@ -227,7 +227,7 @@ sub serve_smart {
                $r->[0] == 403 ? serve_dumb($env, $git, $path) : $r;
        };
        my $res;
-       my $async = $env->{'pi-httpd.async'};
+       my $async = $env->{'pi-httpd.async'}; # XXX unstable API
        my $io = $env->{'psgix.io'};
        my $cb = sub {
                my $r = $rd_hdr->() or return;